Centrum Metallics Pvt. Ltd offers Active Drying Reddish Brown Manganese Octoate. Centrum Metallics Pvt. Ltd supplies a wide range of specialty chemicals and additives for use in Surface Coating and Polymer Industries. The Active Drying Reddish Brown Manganese Octoate is an active drier metal and strong oxidant that promotes polymerisation to a greater degree and is used as an accelerator of polymerisation in baking finishes.